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typecheck chained pointer operations

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This commit is contained in:
Antoni Piasecki
2026-05-13 14:11:05 +02:00
parent 027245684d
commit 284bc61f24
2 changed files with 12 additions and 35 deletions
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18
src/std/std.zr
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@@ -55,8 +55,7 @@ func mem._split_block[blk: mem.Block, needed: i64] : void
new_blk->prev = blk
if blk->next as ptr
let next = blk->next
next->prev = new_blk
blk->next->prev = new_blk
else
mem.write64(_builtin_heap_tail(), new_blk)
@@ -133,8 +132,7 @@ func mem.free[x: any] : void
blk->size = blk->size + MEM_BLOCK_SIZE + next->size
blk->next = next->next
if next->next as ptr
let b = next->next
b->prev = blk
next->next->prev = blk
if mem.read64(_builtin_heap_tail()) == next as ptr
mem.write64(_builtin_heap_tail(), blk)
@@ -145,8 +143,7 @@ func mem.free[x: any] : void
prev->size = prev->size + MEM_BLOCK_SIZE + blk->size
prev->next = blk->next
if blk->next as ptr
let b = blk->next
b->prev = prev
blk->next->prev = prev
if mem.read64(_builtin_heap_tail()) == blk as ptr
mem.write64(_builtin_heap_tail(), prev)
blk = prev
@@ -154,13 +151,11 @@ func mem.free[x: any] : void
let block_total = blk->size + MEM_BLOCK_SIZE
if (blk as i64 & 4095) == 0 && (block_total & 4095) == 0
if blk->prev as ptr
let b = blk->prev
b->next = blk->next
blk->prev->next = blk->next
else
mem.write64(_builtin_heap_head(), blk->next)
if blk->next as ptr
let b = blk->next
b->prev = blk->prev
blk->next->prev = blk->prev
else
mem.write64(_builtin_heap_tail(), blk->prev)
_builtin_syscall(SYS_munmap, blk, block_total)
@@ -194,8 +189,7 @@ func mem.realloc?[x: ptr, new_size: i64] : ptr
blk->size = combined
blk->next = next->next
if next->next as ptr
let b = next->next
b->prev = blk
next->next->prev = blk
if mem.read64(_builtin_heap_tail()) == next as ptr
mem.write64(_builtin_heap_tail(), blk)
mem._split_block(blk, new_size)